Water Quality

Showing 1–8 of 30 results

BioPlus and BioPlus Thermo internal corner filters by Oase are suitable for small to medium coldwater and tropical aquariums. The design is space saving, with the option to integrate a Oase HeatUp heater neatly within the filter unit.
BioPlus & Thermo Filters
BioPlus and BioPlus Thermo internal corner filters by Oase. Suitable for small to medium coldwater or tropical aquariums. The design is space saving, allowing you the option to integrate a Oase HeatUp heater neatly within the filter unit.
not rated £34.99 – £78.99 Select options This product has multiple variants. The options may be chosen on the product page
Pro-Reef Sea Salt by TMC is made with pure, pharmaceutical grade salts for high quality water. Easy to mix and great for marine fish tanks.
Pro-Reef Salt
Pro-Reef Salt contains elements in the exact proportions found in tropical sea water. It is free from nitrates, phosphates and other unwanted chemicals. Create the ideal environment for the care of fish, corals and other invertebrates in reef aquariums by using this salt with regular small water changes.
not rated £13.99 – £89.95 Select options This product has multiple variants. The options may be chosen on the product page
BioMaster Thermo 850 an external filter that includes a heater it to both filter and heat a large fish tank
BioMaster & Thermo External Filters
BioMaster & BioMaster Thermo external filters by Oase are suitable for large aquariums. If you click 'yes' to a heater, this filter will come with an Oase HeatUp heater installed. If you choose 'no' to the heater, a HeatUp can be added later on, and fits neatly into the filter. See below for details of the heater wattage needed. HeatUp by Oase is the only recommended heater for use with this filter. The pump is energy efficient and quiet.
not rated £229.99 – £374.99 Select options This product has multiple variants. The options may be chosen on the product page
BioPellets for nitrate and phosphate reduction in an aquarium
BioPellets
BioPellets by Aquarium Systems are a large biodegradable filter media pellet. This natural media is used to reduce nitrate and phosphate levels in marine or freshwater aquariums. It is best used in a reactor to keep the pellets moving and for more efficient filtration. Available in 400ml or 1000ml sizes.
not rated £19.00 – £39.00 Select options This product has multiple variants. The options may be chosen on the product page
An external fish tank heater by Oase, FiltoSmart 300
FiltoSmart & Thermo External Filters
FiltoSmart and FiltoSmart Thermo 300 by Oase are external filters suitable for medium to large aquariums of 300 litres volume or less. The pump is energy efficient and quiet. If you choose the Thermo version, the heater is neatly installed into the filter and fully controllable so that you can choose the best temperature for your fish.
not rated £154.99 – £179.99 Select options This product has multiple variants. The options may be chosen on the product page
HI-772 Checker - Seawater dKH
Hanna Checker – dKH (Saltwater)
Hanna Checker - KH (Saltwater) HI-772 is designed exclusively for marine aquariums. It offers a quick, easy and highly accurate method of measuring alkalinity in dKH
not rated £69.99 Add to basket
HI774 - Hanna Checker Marine Phosphate ULR Colorimeter for easy testing of low level phosphate in the marine aquarium
Hanna Checker – Phosphate ULR
Hanna Checker HI774 - Marine Phosphate ULR is designed exclusively for use on marine aquariums. It offers a quick, easy and highly accurate method of measuring lower levels of phosphate in your aquarium.
not rated £69.99 Read more
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HI-713-25 Reagent – Low Range Phosphate
not rated £13.99 Add to basket